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Finding the Fourth Proportional to 236.91, 354.54 and 163.44

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Solution

The fourth proportional to 236.91, 354.54 and 163.44 is: 244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.91 : 354.54 = 163.44 : x
  2. Step 2: Convert to fraction form
    236.91/354.54 = 163.44/x
  3. Step 3: Cross multiply
    236.91x = 354.54 × 163.44
  4. Step 4: Simplify right side
    236.91x = 57,946.02
  5. Step 5: Solve for x
    x = 57,946.02/236.91
  6. Step 6: Final answer
    x = 244.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.